#301B77#301B77

#301B77 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.7% C 0.146 H 285.0°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#301B77
RGB	rgb(48, 27, 119)
HSL	hsl(254, 63%, 29%)
HSV	hsv(254, 77%, 47%)
CMYK	cmyk(59.7%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(18.99, 35.78, -48.87)
CIE-LCH	lch(18.99, 60.57, 306.21°)
OKLab	oklab(31.75% 0.0377 -0.1407)
OKLCH	oklch(31.75% 0.146 285)
XYZ	xyz(4.9396, 2.7439, 17.7185)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B77 #62771B

analogous

#1B3477 #301B77 #5E1B77

triadic

#301B77 #77301B #1B7730

tetradic

#301B77 #771B34 #62771B #1B775E

square

#301B77 #771B34 #62771B #1B775E

split-complementary

#301B77 #775E1B #34771B

monochromatic

#0A0619 #1C1045 #301B77 #4426A9 #5D3AD2

Accessibility & contrast

On white

13.56

#301B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#301B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B77

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B77	#FFFFFF	#000000	##FFFFFF
##301B77	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002B75

Tritanopia (blue-blind)

#0B3547

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #301b77;
/* rgb */ color: rgb(48, 27, 119);
/* oklch */ color: oklch(31.7% 0.146 285.0);

Tailwind

colors: {
  custom: {
    50: '#725a9f',
    500: '#301b77',
    950: '#000000',
  },
}

SCSS

$custom: #301b77;
$custom-light: #725a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#301b77",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 253.696,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31747,
    "c": 0.14569,
    "h": 285
  },
  "luminance": 0.02744
}

Semantic roles & 50–950 ramp

primary

#301B77

secondary

#93AB42

accent

#E642C1

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #301B77

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →